DNV DNV-OS-E201 [ Revised ]

Scope and application

The standard covers the following systems and arrangements, including relevant equipment and structures:

- production and export riser systems

- well control system

- riser compensating and tensioning system

- hydrocarbon processing system

- relief and flare system

- production plant safety systems

- production plant utility systems

- water injection system

- gas injection system

- storage system

- crude offloading system

- LNG Liquefaction system

- LNG regasification system

- LNG transfer system.

The following are considered as main boundaries of the production plant, as relevant:

- lower riser connection to sea floor system

- control system connection to sea floor system

- connection to production buoy

- shutdown valve at crude outlet from production plant to crude storage or loading buoy

- Shutdown valve between liquefaction plant and LNG storage tanks

- Shutdown valve between LNG storage and regasification plant, and between regasification plant and export line.